Get Available COM Ports in Java Comm

First of all you must properly install Java Comm API.There is nothing much more

• Download Java Comm API fro here javacomm2.0-win32.rar
• Comm API Reference 

package jsupport.com;

import gnu.io.CommPortIdentifier;
import java.util.Enumeration;

/**
 *
 * @author JSupport
 */
public class GetAvailableComPorts {

    public static void getComPorts(){
        String     port_type;
        Enumeration  enu_ports  = CommPortIdentifier.getPortIdentifiers();

        while (enu_ports.hasMoreElements()) {
            CommPortIdentifier port_identifier = (CommPortIdentifier) enu_ports.nextElement();

            switch(port_identifier.getPortType()){
                case CommPortIdentifier.PORT_SERIAL:
                    port_type   =   "Serial";
                    break;
                case CommPortIdentifier.PORT_PARALLEL:
                    port_type   =   "Parallel";
                    break;
                case CommPortIdentifier.PORT_I2C:
                    port_type   =   "I2C";
                    break;
                case CommPortIdentifier.PORT_RAW:
                    port_type   =   "Raw";
                    break;
                case CommPortIdentifier.PORT_RS485:
                    port_type   =   "RS485";
                    break;
                default:
                    port_type   =   "Unknown";
                    break;
            }

            System.out.println("Port : "+port_identifier.getName() +" Port type : "+port_type);
        }
    }
    public static void main(String[] args) {
        getComPorts();
    }
}